Home / 6,172.62-8,516.10-3,518.11

Finding the Fourth Proportional to 6,172.62, 8,516.10 and 3,518.11

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Solution

The fourth proportional to 6,172.62, 8,516.10 and 3,518.11 is: 4,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.62 : 8,516.10 = 3,518.11 : x
  2. Step 2: Convert to fraction form
    6,172.62/8,516.10 = 3,518.11/x
  3. Step 3: Cross multiply
    6,172.62x = 8,516.10 × 3,518.11
  4. Step 4: Simplify right side
    6,172.62x = 29,960,576.57
  5. Step 5: Solve for x
    x = 29,960,576.57/6,172.62
  6. Step 6: Final answer
    x = 4,853.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.